package com.qingcheng.service.impl;

import com.alibaba.dubbo.config.annotation.Reference;
import com.alibaba.dubbo.config.annotation.Service;
import com.alibaba.fastjson.JSON;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.qingcheng.dao.OrderConfigMapper;
import com.qingcheng.dao.OrderItemMapper;
import com.qingcheng.dao.OrderLogMapper;
import com.qingcheng.dao.OrderMapper;
import com.qingcheng.entity.PageResult;
import com.qingcheng.pojo.order.*;
import com.qingcheng.pojo.order.OrderAndOrderItem;
import com.qingcheng.service.goods.SkuService;
import com.qingcheng.service.goods.SpecService;
import com.qingcheng.service.order.CartService;
import com.qingcheng.service.order.OrderService;
import com.qingcheng.util.IdWorker;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import tk.mybatis.mapper.code.ORDER;
import tk.mybatis.mapper.entity.Example;

import java.time.LocalDateTime;
import java.util.*;
import java.util.stream.Collectors;
import java.util.stream.IntStream;

@Service(interfaceClass = OrderService.class)
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private OrderItemMapper orderItemMapper;
    @Autowired
    private OrderLogMapper orderLogMapper;
    @Autowired
    private OrderConfigMapper orderConfigMapper;
    @Autowired
    private CartService cartService;
    @Autowired
    private IdWorker idWorker;
    @Reference
    private SkuService skuService;
    @Autowired
    private RabbitTemplate rabbitTemplate;

    /**
     * 返回全部记录
     *
     * @return
     */
    public List<Order> findAll() {
        return orderMapper.selectAll();
    }

    /**
     * 分页查询
     *
     * @param page 页码
     * @param size 每页记录数
     * @return 分页结果
     */
    public PageResult<Order> findPage(int page, int size) {
        PageHelper.startPage(page, size);
        Page<Order> orders = (Page<Order>) orderMapper.selectAll();
        return new PageResult<Order>(orders.getTotal(), orders.getResult());
    }

    /**
     * 条件查询
     *
     * @param searchMap 查询条件
     * @return
     */
    public List<Order> findList(Map<String, Object> searchMap) {
        Example example = createExample(searchMap);
        return orderMapper.selectByExample(example);
    }

    /**
     * 分页+条件查询
     *
     * @param searchMap
     * @param page
     * @param size
     * @return
     */
    public PageResult<Order> findPage(Map<String, Object> searchMap, int page, int size) {
        PageHelper.startPage(page, size);
        Example example = createExample(searchMap);
        Page<Order> orders = (Page<Order>) orderMapper.selectByExample(example);
        return new PageResult<Order>(orders.getTotal(), orders.getResult());
    }

    /**
     * 根据Id查询
     *
     * @param id
     * @return
     */
    public Order findById(String id) {
        return orderMapper.selectByPrimaryKey(id);
    }

    /**
     * 新增
     *
     * @param order
     */
    @Transactional
    public Map<String, Object> add(Order order) {
        //1.获取选中的购物车
        List<Map<String, Object>> cartList = cartService.findNewOrderItemList(order.getUsername());
        List<OrderItem> orderItemList = cartList.stream().filter(cart -> (boolean) cart.get("checked"))
                .map(cart -> (OrderItem) cart.get("item"))
                .collect(Collectors.toList());

        //2.扣减库存
        if(!skuService.deductionStock(orderItemList)){
            throw  new RuntimeException("库存不足！");
        }

        //保存订单主表
        try {
            order.setId(idWorker.nextId()+"");
            //合计数计算
            IntStream numStream = orderItemList.stream().mapToInt(OrderItem::getNum);
            IntStream moneyStream = orderItemList.stream().mapToInt(OrderItem::getMoney);
            int totalNum = numStream.sum();//总数量
            int totalMoney = moneyStream.sum();//总金额
            int preMoney = cartService.preferential(order.getUsername());//计算优惠金额
            order.setTotalNum(totalNum);//总数量
            order.setTotalMoney(totalMoney);//总金额
            order.setPreMoney(preMoney);//优惠金额
            order.setPayMoney(totalMoney-preMoney);//支付金额=总金额+优惠金额
            order.setCreateTime(new Date());//订单创建日期
            order.setOrderStatus("0");// 订单状态
            order.setPayStatus("0");// 支付状态：未支付
            order.setConsignStatus("0");//发货状态：未发货
            orderMapper.insert(order);
            //打折比例
            double proportion = (double)order.getPayMoney() / totalMoney;
            //保存订单明细
            for (OrderItem orderItem : orderItemList) {
                orderItem.setOrderId(order.getId());//订单主表id
                orderItem.setId(idWorker.nextId()+"");
                orderItem.setPayMoney((int)(orderItem.getMoney()*proportion));//支付金额
                orderItemMapper.insert(orderItem);
            }
        } catch (Exception e) {
            e.printStackTrace();
            //发送回滚消息
            rabbitTemplate.convertAndSend("","queue.skuback", JSON.toJSONString(orderItemList));
            throw new RuntimeException("创建订单失败");
        }
        //清除选中购物车
        cartService.deleteCheckedCart(order.getUsername());
        //返回订单号和支付的金额
        Map<String,Object> map=new HashMap<>();
        map.put("ordersn",order.getId());
        map.put("money",order.getPayMoney());
        return map;
    }

    /**
     * 修改
     *
     * @param order
     */
    public void update(Order order) {
        orderMapper.updateByPrimaryKeySelective(order);
    }

    /**
     * 删除
     *
     * @param id
     */
    public void delete(String id) {
        orderMapper.deleteByPrimaryKey(id);
    }

    /**
     * 根据orderId查询组合实体类
     *
     * @param orderId
     * @return
     */
    @Override
    public OrderAndOrderItem findOrderDetails(String orderId) {
        /*
         * 根据id 获得order 对象
         *  再通过  orderId 来获得orderItem
         *  再组合这个实体类返回即可
         **/
        OrderAndOrderItem orderItem = new OrderAndOrderItem();
        Order order = orderMapper.selectByPrimaryKey(orderId);
        Example example = new Example(OrderItem.class);
        Example.Criteria criteria = example.createCriteria();
        criteria.andEqualTo("orederId", orderId);
        List<OrderItem> orderItems = orderItemMapper.selectByExample(example);
        orderItem.setOrderItemList(orderItems);
        orderItem.setOrder(order);
        return orderItem;
    }

    /**
     * 查询未发货
     *
     * @param ids
     * @return
     */
    @Override
    public List<Order> queryOrderStatus(String[] ids) {
        Example example = new Example(Order.class);
        Example.Criteria criteria = example.createCriteria();
        // 0 未发货  1 已发货
        criteria.andEqualTo("consignStatus", "0");
        criteria.andIn("id", Arrays.asList(ids));

        return orderMapper.selectByExample(example);
    }

    /**
     * 批量发货
     *
     * @param orderList
     */
    @Override
    public void updateOrderStatus(List<Order> orderList) {
        IdWorker idWorker = new IdWorker();
        if (orderList != null && orderList.size() > 0) {
            OrderLog orderLog = null;
            for (Order order : orderList) {
                //发货时间
                order.setConsignTime(new Date());
                order.setConsignStatus("1");
                order.setUpdateTime(new Date());
                orderLog = new OrderLog();
                orderLog.setId(idWorker.nextId() + "");
                // operater --> 权限管理框架来实现  获取当前登录用户
                orderLog.setOperateTime(new Date());
                orderLog.setOrderId(order.getId());
                orderLog.setOrderStatus(order.getOrderStatus());
                orderLog.setPayStatus(order.getPayStatus());
                orderLog.setConsignStatus(order.getConsignStatus());

                orderMapper.updateByPrimaryKeySelective(order);
                orderLogMapper.insert(orderLog);
            }
        }
    }

    /**
     * 合并订单
     *
     * @param orderId1
     * @param orderId2
     */
    @Override
    public void mergeOrder(String orderId1, String orderId2) {
        Order order1 = orderMapper.selectByPrimaryKey(orderId1);
        Order order2 = orderMapper.selectByPrimaryKey(orderId2);
        // 设置所有需要合并的订单主表数据
        order1.setTotalMoney(order1.getTotalMoney() + order2.getTotalMoney());
        order1.setTotalNum(order1.getTotalNum() + order2.getTotalNum());
        //修改订单从表数据
        Example example = new Example(OrderItem.class);
        Example.Criteria criteria = example.createCriteria();
        criteria.andEqualTo("orderId", orderId2);
        //订单2明细
        List<OrderItem> orders = orderItemMapper.selectByExample(example);
        for (OrderItem order : orders) {
            order.setId(orderId1);
            orderItemMapper.updateByPrimaryKey(order);
        }
        // 将order2 的订单 修改成逻辑删除
        order2.setIsDelete("1");
        // 更新order1
        orderMapper.updateByPrimaryKey(order1);
        // 更新order2
        orderMapper.updateByPrimaryKey(order2);
    }

    /**
     * 订单超时处理
     */
    @Override
    public void orderTimeOutLogic() {
        //订单超时未付款 自动关闭
        // 查询超时时间
        OrderConfig orderConfig = orderConfigMapper.selectByPrimaryKey(1);
        Integer orderTimeout = orderConfig.getOrderTimeout();//超时时间(风) 60
        LocalDateTime localDateTime = LocalDateTime.now().minusMinutes(orderTimeout);//得到超时时间点
//设置查询条件
        Example example = new Example(Order.class);
        Example.Criteria criteria = example.createCriteria();
        criteria.andLessThan("createTime", localDateTime);//创建时间小于超时时间
        criteria.andEqualTo("orderStatus", "0");//未付款的
        criteria.andEqualTo("isDelete", "0");//未删除的
//查询超时订单
        List<Order> orders = orderMapper.selectByExample(example);
        for (Order order : orders) {
//记录订单变动日志
            OrderLog orderLog = new OrderLog();
            orderLog.setOperater("system");// 系统
            orderLog.setOperateTime(new Date());//当前日期
            orderLog.setOrderStatus("4");
            orderLog.setPayStatus(order.getPayStatus());
            orderLog.setConsignStatus(order.getConsignStatus());
            orderLog.setRemarks("超时订单，系统自动关闭");
            orderLog.setOrderId(order.getId());
            orderLogMapper.insert(orderLog);
//更改订单状态
            order.setOrderStatus("4");
            order.setCloseTime(new Date());//关闭日期
            orderMapper.updateByPrimaryKeySelective(order);


        }
    }

    /**
     * 修改订单状态
     * @param orderId
     * @param transactionId
     */
    @Override
    public void updatePayStatus(String orderId, String transactionId) {
        Order order = orderMapper.selectByPrimaryKey(orderId);
        if (order!=null&&"0".equals(order.getPayStatus())){
            //修改订单的状态信息
            order.setPayStatus("1");//支付状态
            order.setOrderStatus("1");//订单状态
            order.setUpdateTime(new Date());//修改日期
            order.setPayTime(new Date());//支付日期
            order.setTransactionId(transactionId);//交易流水号
            orderMapper.updateByPrimaryKeySelective(order);//完成修改

            //记录订单日志
            OrderLog orderLog=new OrderLog();
            orderLog.setId(idWorker.nextId()+"");
            orderLog.setOperater("system");//系统
            orderLog.setOperateTime(new Date());//操作日期
            orderLog.setOrderStatus("1");//订单状态
            orderLog.setPayStatus("1");//支付状态
            orderLog.setRemarks("支付流水号"+transactionId);//备注
            orderLog.setOrderId(orderId);
            orderLogMapper.insert(orderLog);


        }
    }

    /**
     * 构建查询条件
     *
     * @param searchMap
     * @return
     */
    private Example createExample(Map<String, Object> searchMap) {
        Example example = new Example(Order.class);
        Example.Criteria criteria = example.createCriteria();
        if (searchMap != null) {
            // 订单id
            if (searchMap.get("id") != null && !"".equals(searchMap.get("id"))) {
                criteria.andLike("id", "%" + searchMap.get("id") + "%");
            }
            // 支付类型，1、在线支付、0 货到付款
            if (searchMap.get("payType") != null && !"".equals(searchMap.get("payType"))) {
                criteria.andLike("payType", "%" + searchMap.get("payType") + "%");
            }
            // 物流名称
            if (searchMap.get("shippingName") != null && !"".equals(searchMap.get("shippingName"))) {
                criteria.andLike("shippingName", "%" + searchMap.get("shippingName") + "%");
            }
            // 物流单号
            if (searchMap.get("shippingCode") != null && !"".equals(searchMap.get("shippingCode"))) {
                criteria.andLike("shippingCode", "%" + searchMap.get("shippingCode") + "%");
            }
            // 用户名称
            if (searchMap.get("username") != null && !"".equals(searchMap.get("username"))) {
                criteria.andLike("username", "%" + searchMap.get("username") + "%");
            }
            // 买家留言
            if (searchMap.get("buyerMessage") != null && !"".equals(searchMap.get("buyerMessage"))) {
                criteria.andLike("buyerMessage", "%" + searchMap.get("buyerMessage") + "%");
            }
            // 是否评价
            if (searchMap.get("buyerRate") != null && !"".equals(searchMap.get("buyerRate"))) {
                criteria.andLike("buyerRate", "%" + searchMap.get("buyerRate") + "%");
            }
            // 收货人
            if (searchMap.get("receiverContact") != null && !"".equals(searchMap.get("receiverContact"))) {
                criteria.andLike("receiverContact", "%" + searchMap.get("receiverContact") + "%");
            }
            // 收货人手机
            if (searchMap.get("receiverMobile") != null && !"".equals(searchMap.get("receiverMobile"))) {
                criteria.andLike("receiverMobile", "%" + searchMap.get("receiverMobile") + "%");
            }
            // 收货人地址
            if (searchMap.get("receiverAddress") != null && !"".equals(searchMap.get("receiverAddress"))) {
                criteria.andLike("receiverAddress", "%" + searchMap.get("receiverAddress") + "%");
            }
            // 订单来源：1:web，2：app，3：微信公众号，4：微信小程序  5 H5手机页面
            if (searchMap.get("sourceType") != null && !"".equals(searchMap.get("sourceType"))) {
                criteria.andLike("sourceType", "%" + searchMap.get("sourceType") + "%");
            }
            // 交易流水号
            if (searchMap.get("transactionId") != null && !"".equals(searchMap.get("transactionId"))) {
                criteria.andLike("transactionId", "%" + searchMap.get("transactionId") + "%");
            }
            // 订单状态
            if (searchMap.get("orderStatus") != null && !"".equals(searchMap.get("orderStatus"))) {
                criteria.andLike("orderStatus", "%" + searchMap.get("orderStatus") + "%");
            }
            // 支付状态
            if (searchMap.get("payStatus") != null && !"".equals(searchMap.get("payStatus"))) {
                criteria.andLike("payStatus", "%" + searchMap.get("payStatus") + "%");
            }
            // 发货状态
            if (searchMap.get("consignStatus") != null && !"".equals(searchMap.get("consignStatus"))) {
                criteria.andLike("consignStatus", "%" + searchMap.get("consignStatus") + "%");
            }
            // 是否删除
            if (searchMap.get("isDelete") != null && !"".equals(searchMap.get("isDelete"))) {
                criteria.andLike("isDelete", "%" + searchMap.get("isDelete") + "%");
            }

            // 数量合计
            if (searchMap.get("totalNum") != null) {
                criteria.andEqualTo("totalNum", searchMap.get("totalNum"));
            }
            // 金额合计
            if (searchMap.get("totalMoney") != null) {
                criteria.andEqualTo("totalMoney", searchMap.get("totalMoney"));
            }
            // 优惠金额
            if (searchMap.get("preMoney") != null) {
                criteria.andEqualTo("preMoney", searchMap.get("preMoney"));
            }
            // 邮费
            if (searchMap.get("postFee") != null) {
                criteria.andEqualTo("postFee", searchMap.get("postFee"));
            }
            // 实付金额
            if (searchMap.get("payMoney") != null) {
                criteria.andEqualTo("payMoney", searchMap.get("payMoney"));
            }

        }
        return example;
    }

}
